ViPR Controller implementation VNX and VPLEX

run-book VasilyPantyukhin

http://oldhenhut.com

Contents

1. InfrastructurecoveredbytheViPRController....................................................................4

2. VNXDistributedvolumeprovisioningtoahost..................................................................42.1. Configuration....................................................................................................................................................................42.2. ViPRview...........................................................................................................................................................................42.3. VNXview............................................................................................................................................................................82.4. VPLEXview......................................................................................................................................................................11

3. ExportHAlegofVNXDistributedvolumetoahost..........................................................163.1. Configuration..................................................................................................................................................................163.2. Differentpathingcharacteristics...........................................................................................................................163.3. Samepathingcharacteristics...................................................................................................................................174. MigrateVNXvolumeunderVPLEX...................................................................................194.1. SourceVPoolandvolume.........................................................................................................................................194.2. TargetVPool...................................................................................................................................................................214.3. ViPRview.........................................................................................................................................................................224.4. VNXandVPLEXviews................................................................................................................................................235. MigrateVPLEXLocaltoDistributed..................................................................................275.1. SourceVPool...................................................................................................................................................................275.2. TargetVPool...................................................................................................................................................................285.3. ViPRview.........................................................................................................................................................................285.4. VNXview..........................................................................................................................................................................305.5. VPLEXview......................................................................................................................................................................315.6. ChangeAuto-tieringpolicy.......................................................................................................................................325.7. VNXview(before)........................................................................................................................................................325.8. TargetVPool...................................................................................................................................................................335.9. ViPRview.........................................................................................................................................................................345.10. VNXview(after).........................................................................................................................................................35

4

1. InfrastructurecoveredbytheViPRController

ViPRControllercoverstheinfrastructurethatconsistsof:

• 2xVNXdiskarrays

• 2xVPLEXcluster

• FCSANbasedonBrocade

• Physicalhosts

Figure1Physicalinfrastructure

2. VNXDistributedvolumeprovisioningtoahost

2.1. Configuration

• VPool

o Systemtype–VNX

o Volumetype-thick

o Multi-volumeconsistency–yes

o AutomaticCross-connect–no

o MaximumPaths–4

o PathsperInitiator–2

o HighAvailability–VPLEXDistributed

2.2. ViPRview

• NavigatetoServiceCatalog>BlockStorageServices>CreateBlockVolumeforahost

service

• ConsistencyGroup–notassigned

• Volumename–win_host-4_vol_first

• #ofvolumes–1

• Volumesize–3GB

• Project–ESX_proj_test

• Host–win_host4

5

Figure2VNXDistributedvolumeprovisioningtoahostrequest

• TaskCreateVolumecontainsseveralsteps:

o CreatevolumeonbothVNXarrays

o CreatezonesandaddvolumestoExportMaskofbothVPLEXs

o CreateVirtualVolume

o CreateVPLEXCG

6

Figure3TaskCreateVolumeforVNXDistributedvolume

• DistributedVolumeexportedtoahost:

o AddvolumetotheVPLEXStorageView

o CreatezonesforVPLEXFEportsandHBAs

Figure4TaskExportVolumeforXIODistributedvolume

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Figure5VNXvolumeproperties

• VolumesareaddedintotheHost’sExportGroup

Figure6VNXvolumeExportGroup

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2.3. VNXview

• ThickvolumeiscreatedinVNX(persite)

Figure7NewvolumesinVNX

Figure8VNXvolumeGeneralproperties

9

• VolumewascreatedonVPoolwith“StartHighthenAuto-Tier”defaulttieringoption

Figure9VNXvolumeGeneralproperties

• VolumeisexportedtoVPLEX

Figure10VNXvolumeexporttoahostinformation

10

Figure11VNXStorageGroup

Figure12VNXStorageGroupLUNsproperties

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Figure13VNXStorageGroupHostsproperties

2.4. VPLEXview

• VolumeispresentedfromVNXtoVPLEX

Figure14VNXVolumesareexportedtoVPLEX(percluster)

• VPLEXstructureiscreated:

o Extents(percluster)

o Devices(Distributed)

o VirtualVolumes(Distributed)

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Figure15VPLEXExtentsofVNXvolumes

Figure16VPLEXExtentproperties

Figure17VPLEXDevicesofVNXDistributedvolumes

Figure18VPLEXVirtualVolumes

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Figure19VirtualVolumesproperties

Figure20VirtualVolumestopology

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• VPLEXCGisNotcreatedcauseitwasn’tspecifiedduringtheservicerequest.SoWitness

doesn’tcontrolourvolumes.

Figure21VPLEXCG

• WinningsiteistheonewhichwasspecifiedbyVArrayintheservicerequest.Cluster-1in

thatcase.

Figure22VPLEXDetachruleinDistributedDeviceproperties

• VirtualVolumeisexportedto2xHBAs

Figure23VPLEXStorageViewInitiators

Figure24StorageViewVPLEXPorts

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Figure25DistributedVolumesinStorageView

• AutomaticCross-connectionoptionwasunchecked.SoDistributedvolumeisnotexported

tothehostfromthecluster-2.

Figure26Cluster-2VPLEXStorageViewInitiators

• Detailsofvolumes’exportarevisibleonamappingdiagram

Figure27MapofStorageViewdiagram

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3. ExportHAlegofVNXDistributedvolumetoahost

3.1. Configuration

• NavigatetoServiceCatalog>BlockStorageServices>ExportVPLEXVolumeservice

• VArray(alreadyexported)–includesVPLEXcluster-1ports

• VArray(tobeexported)–includesVPLEXcluster-2ports

• VPool

o Systemtype–VNX

o Volumetype-thick

o Multi-volumeconsistency–yes

o AutomaticCross-connect–no

o MaximumPaths–4

o PathsperInitiator-2

• ConsistencyGroup–notassigned

• Volumename–win_host-4_vol_first

• #ofvolumes–1

• Volumesize–3GB

• Project–ESX_proj_test

• Host–win_host4

3.2. Differentpathingcharacteristics

• LetsfirsttrytoexporttheHAlegoftheDistributedvolumewithotherpathing

characteristics

o MaximumPaths–2

o PathsperInitiator-1

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Figure28Distributedvolumeexportwithotherpathingcharacteristicsrequest

• Asexpected,theservicerequestfailed.BothlegsofDistributedvolumehavetobeexported

withthesamepathingcharacteristics.

Figure29Distributedvolumeexportwithotherpathingcharacteristicsfailed

3.3. Samepathingcharacteristics

• LetsexporttheHAlegoftheDistributedvolumewiththesamepathingcharacteristics

o MaximumPaths–4

o PathsperInitiator-2

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Figure30Distributedvolumeexporttoahostrequest

• DistributedVolumeexportedtoahosttask:

o AddvolumetotheVPLEXStorageView

o CreatezonesforVPLEXFEportsandHBAs

Figure31TaskExportVolumeforDistributedvolume

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• VolumesareaddedintotheHost’sExportGroupfortheVArraywhichrepresentstheHAleg

ofthedistributedvolume.NowwehavetwoExportgroupsforthehost–oneperVArray.

Figure32VNXvolumeExportGroup

4. MigrateVNXvolumeunderVPLEX

4.1. SourceVPoolandvolume

• VPool

o Systemtype–VNX

o Volumetype-thin

o Multi-volumeconsistency–yes

o HighAvailability-none

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Figure33NoHAVPoolcharacteristics

• NavigatetoServiceCatalog>BlockStorageServices>CreateBlockVolumeservice

• ConsistencyGroup–notassigned

• Volumename–test_vol

• #ofvolumes–1

• Volumesize–2GB

• Project–projet_test

Figure34CreatenonHAvolumerequest

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Figure35NonHAvolumeproperties

4.2. TargetVPool

• VArray–sameassource

• VPool

o Systemtype–VNX

o Volumetype-thin

o Multi-volumeconsistency–yes

o HighAvailability–VPLEXLocal(theonlydifferencefromtheSourceVPool)

Figure36VPLEXLocalVPoolcharacteristics

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4.3. ViPRview

• NavigatetoServiceCatalog>BlockStorageServices>ChangeVolumeVirtualPoolwith

MoveintoVPLEXoption.

Figure37ChangeVolumeVirtualPoolwithMoveintoVPLEXoptionservicerequest

• Serviceisdonein1minute

Figure38ChangeVolumeVirtualPoolservicestatus

• TaskChangeVolumeVPoolcontainsseveralsteps:

o ExportvolumetoVPLEX

o CreateVPLEXVirtualVolume

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Figure39TaskChangeVolumeVPool

4.4. VNXandVPLEXviews

• ThevolumeisexportedtoVPLEX

Figure40VNXvolumeexportedtoVPLEX(VNXview)

• VolumeispresentedfromVNXtoVPLEX

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Figure41VNXvolumeexportedtoVPLEX(VPLEXview)

Figure42VNXvolumeproperties

• VPLEXstructureiscreated:

o Extents(percluster)

o Devices(Local)

o VirtualVolumes(Local)

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Figure43VPLEXExtentsofVNXvolumes

Figure44VPLEXExtentproperties

Figure45VPLEXDevicesofVNXLocalvolumes

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Figure46VPLEXDeviceproperties

Figure47VPLEXVirtualVolumes

• VPLEXLocalVirtualVolumeiscreated.Soitisnotvisiblebythecluster-1.

Figure48VirtualVolumestopology

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Figure49VPLEXLocalvolumeisnotavailableonthe2ndcluster

5. MigrateVPLEXLocaltoDistributed

5.1. SourceVPool

• VPool

o Systemtype–VNX

o Volumetype-thin

o Multi-volumeconsistency–yes

o HighAvailability–VPLEXLocal

Figure50VPLEXLocalVPoolcharacteristics

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5.2. TargetVPool

• VArray–VPLEXcluster-2

• VPool

o Systemtype–VNX

o Volumetype-thin

o Multi-volumeconsistency–yes

o HighAvailability–VPLEXDistributed

o HighAvailabilityVArray-VPLEXcluster-1

Figure51VPLEXLocalVPoolcharacteristics

5.3. ViPRview

• NavigatetoServiceCatalog>BlockStorageServices>ChangeVolumeVirtualPoolwith

ChangefromVPLEXLocaltoVPLEXDistributedoption.

29

Figure52ChangeVolumeVirtualPoolwithChangefromVPLEXLocaltoVPLEXDistributedoptionservicerequest

• Serviceisdonein7minutes

Figure53ChangeVolumeVirtualPoolservicestatus

• TaskChangeVolumeVPoolcontainsseveralsteps:

o CreatevolumeontheremoteVNX

o ExportvolumetoVPLEXontheremoteVNX

o CreateandrebuildVPLEXVirtualVolume

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Figure54TaskChangeVolumeVPool

5.4. VNXview

• VolumeiscreatedonbothVNXs

Figure55VolumeonthelocalVNX

• VolumeontheremoteVNXishas“-1”suffix

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Figure56VolumeontheremoteVNX

5.5. VPLEXview

• WhenVPLEXVirtualVolumeiscreating,itsstateisDegraded

Figure57VPLEXVirtualvolumeintransition

Figure58VPLEXVirtualvolumeinDegradedstate

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• FinallyVPLEXVirtualVolumeiscreated

Figure59VNXvolumeexportedtoVPLEX(VNXview)

Figure60VPLEXDistributedvolume

5.6. ChangeAuto-tieringpolicy

5.7. VNXview(before)

• VolumewascreatedwithStartHighthanAuto-tierpolicy

33

Figure61VNXvolumewithStartHighthanAuto-tierpolicy

5.8. TargetVPool

• TheonlydifferencewiththeSourcevolumeisAuto-tieringpolicy–Nomovement

Figure62VPLEXDistributedVPoolwithmodifiedAuto-tieringpolicycharacteristic

34

5.9. ViPRview

• NavigatetoServiceCatalog>BlockStorageServices>ChangeVolumeVirtualPoolwith

ChangeAuto-tieringPolicyorHostIOLimitoption.

Figure63ChangeVolumeVirtualPoolwithChangeAuto-tieringPolicyorHostIOLimitoptionservicerequest

• Serviceisdonein31seconds

Figure64ChangeVolumeVirtualPoolservicestatus

• TaskChangeVolumeVPool:

o ChangeAuto-tieringPolicyonbothvolumesoftheDistributeddevice

35

Figure65TaskChangeVolumeVPool

5.10. VNXview(after)

• VolumewascreatedwithStartHighthanAuto-tierpolicy

Figure66VNXvolumewithNomovementpolicy